The harmful effects of soil pollution may come from direct contact with polluted soil or from contact with other resources, such as water or food which has been grown on or come in direct contact with the polluted soil.
A reason for your arm or hand falling asleep at night could be because of having a stroke. A stroke is a life-threatening emergency that happens when there is a disruption in the flow of blood to your brain. This can cause paralysis, loss of consciousness, numbness on one side of the body, and impaired speech.
Many people who have RLS also have a condition called periodic limb movement in sleep (PLMS). PLMS causes your legs or arms to twitch or jerk about every 10 to 60 seconds during sleep. These movements cause you to wake up often and get less sleep. PLMS usually affects the legs, but it also can affect the arms.